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<div class="title">qwt_plot_zoomer.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_PLOT_ZOOMER_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_PLOT_ZOOMER_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;qwt_plot_picker.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">class </span>QSizeF;</div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="class_q_stack.html">   17</a></span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt; <span class="keyword">class </span><a class="code" href="class_q_stack.html">QStack</a>;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_qwt_plot_zoomer.html">   79</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a> : <span class="keyword">public</span> <a class="code" href="class_qwt_plot_picker.html">QwtPlotPicker</a></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;{</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    Q_OBJECT</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>( QWidget*, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>( QwtAxisId xAxis, QwtAxisId yAxis,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        QWidget*, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>();</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase( <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase( <span class="keyword">const</span> QRectF&amp; );</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    QRectF zoomBase() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    QRectF zoomRect() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_picker.html#a6e70b987ac087bd46f35adaece356f73">setAxes</a>( QwtAxisId xAxis, QwtAxisId yAxis ) QWT_OVERRIDE;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordtype">void</span> setMaxStackDepth( <span class="keywordtype">int</span> );</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keywordtype">int</span> maxStackDepth() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_stack.html">QStack&lt; QRectF &gt;</a>&amp; zoomStack() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordtype">void</span> setZoomStack( <span class="keyword">const</span> <a class="code" href="class_q_stack.html">QStack&lt; QRectF &gt;</a>&amp;,</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keywordtype">int</span> zoomRectIndex = -1 );</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    uint zoomRectIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="keyword">public</span> Q_SLOTS:</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keywordtype">void</span> moveBy( <span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy );</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> moveTo( <span class="keyword">const</span> QPointF&amp; );</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom( <span class="keyword">const</span> QRectF&amp; );</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom( <span class="keywordtype">int</span> offset );</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  Q_SIGNALS:</div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="class_qwt_plot_zoomer.html#af5d312de34b493b59e48f03850478648">  121</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_zoomer.html#af5d312de34b493b59e48f03850478648">zoomed</a>( <span class="keyword">const</span> QRectF&amp; rect );</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> rescale();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">virtual</span> QSizeF minZoomSize() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#ac009633e005b6290e07b902f2a58e45e">widgetMouseReleaseEvent</a>( QMouseEvent* ) QWT_OVERRIDE;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#af5bc441b2fc143363563922a3b3c70ae">widgetKeyPressEvent</a>( QKeyEvent* ) QWT_OVERRIDE;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a49cb19aea451e275c5d376235e5a1d83">begin</a>() QWT_OVERRIDE;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    virtual <span class="keywordtype">bool</span> end( <span class="keywordtype">bool</span> ok = true ) QWT_OVERRIDE;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    virtual <span class="keywordtype">bool</span> accept( QPolygon&amp; ) const QWT_OVERRIDE;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  private:</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keywordtype">void</span> init( <span class="keywordtype">bool</span> doReplot );</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    class PrivateData;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    PrivateData* m_data;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;};</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_q_stack_html"><div class="ttname"><a href="class_q_stack.html">QStack</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__zoomer_8h_source.html#l00017">qwt_plot_zoomer.h:17</a></div></div>
<div class="ttc" id="aclass_qwt_picker_html_a49cb19aea451e275c5d376235e5a1d83"><div class="ttname"><a href="class_qwt_picker.html#a49cb19aea451e275c5d376235e5a1d83">QwtPicker::begin</a></div><div class="ttdeci">virtual void begin()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__picker_8cpp_source.html#l01239">qwt_picker.cpp:1239</a></div></div>
<div class="ttc" id="aclass_qwt_picker_html_ac009633e005b6290e07b902f2a58e45e"><div class="ttname"><a href="class_qwt_picker.html#ac009633e005b6290e07b902f2a58e45e">QwtPicker::widgetMouseReleaseEvent</a></div><div class="ttdeci">virtual void widgetMouseReleaseEvent(QMouseEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__picker_8cpp_source.html#l01050">qwt_picker.cpp:1050</a></div></div>
<div class="ttc" id="aclass_qwt_picker_html_af5bc441b2fc143363563922a3b3c70ae"><div class="ttname"><a href="class_qwt_picker.html#af5bc441b2fc143363563922a3b3c70ae">QwtPicker::widgetKeyPressEvent</a></div><div class="ttdeci">virtual void widgetKeyPressEvent(QKeyEvent *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__picker_8cpp_source.html#l01112">qwt_picker.cpp:1112</a></div></div>
<div class="ttc" id="aclass_qwt_plot_picker_html"><div class="ttname"><a href="class_qwt_plot_picker.html">QwtPlotPicker</a></div><div class="ttdoc">QwtPlotPicker provides selections on a plot canvas.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__picker_8h_source.html#l00033">qwt_plot_picker.h:34</a></div></div>
<div class="ttc" id="aclass_qwt_plot_picker_html_a6e70b987ac087bd46f35adaece356f73"><div class="ttname"><a href="class_qwt_plot_picker.html#a6e70b987ac087bd46f35adaece356f73">QwtPlotPicker::setAxes</a></div><div class="ttdeci">virtual void setAxes(QwtAxisId xAxisId, QwtAxisId yAxisId)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__picker_8cpp_source.html#l00172">qwt_plot_picker.cpp:172</a></div></div>
<div class="ttc" id="aclass_qwt_plot_zoomer_html"><div class="ttname"><a href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a></div><div class="ttdoc">QwtPlotZoomer provides stacked zooming for a plot widget.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__plot__zoomer_8h_source.html#l00079">qwt_plot_zoomer.h:80</a></div></div>
<div class="ttc" id="aclass_qwt_plot_zoomer_html_af5d312de34b493b59e48f03850478648"><div class="ttname"><a href="class_qwt_plot_zoomer.html#af5d312de34b493b59e48f03850478648">QwtPlotZoomer::zoomed</a></div><div class="ttdeci">void zoomed(const QRectF &amp;rect)</div></div>
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